//The MIT License
//
//Copyright (c) 2009 nodchip
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.
package tv.dyndns.kishibe.client.bbs;

import tv.dyndns.kishibe.client.Service;
import tv.dyndns.kishibe.client.packet.PacketBbsResponse;
import tv.dyndns.kishibe.client.packet.PacketBbsThread;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;

public class PanelBuildThread extends VerticalPanel implements ClickHandler {
	private final Button buttonToSecondState = new Button("新規スレッド作成", this);
	private final Button buttonBuild = new Button("スレッドを立てる", this);
	private final TextBox textBoxThreadTitle = new TextBox();
	private final PanelResponseForm responseForm = new PanelResponseForm(false);
	private final PanelBbs panelBbs;

	public PanelBuildThread(PanelBbs panelBbs) {
		this.panelBbs = panelBbs;

		displayFirstState();
	}

	private void displayFirstState() {
		clear();
		add(buttonToSecondState);
	}

	private void displaySecondState() {
		clear();
		add(new HTML("<b>新規スレッド作成</b>"));

		{
			final HorizontalPanel panel = new HorizontalPanel();
			panel.add(buttonBuild);

			textBoxThreadTitle.setWidth("400px");
			panel.add(textBoxThreadTitle);

			add(panel);
		}

		add(responseForm);
	}

	private void build() {
		String threadName = textBoxThreadTitle.getText();
		if (threadName == null || threadName.length() == 0) {
			return;
		}

		final PacketBbsThread thread = new PacketBbsThread();
		thread.title = threadName;

		final PacketBbsResponse response = responseForm.getBbsResponse();
		if (response == null) {
			return;
		}

		setEnabled(false);

		Service.Util.getInstance().buildBbsThread(thread, response, callbackBuildBbsThread);
	}

	private final AsyncCallback<Object> callbackBuildBbsThread = new AsyncCallback<Object>() {
		public void onSuccess(Object result) {
			setEnabled(true);
			displayFirstState();
			clearForm();
			panelBbs.reload();
		}

		public void onFailure(Throwable caught) {
			caught.printStackTrace();
		}
	};

	private void setEnabled(boolean enabled) {
		buttonToSecondState.setEnabled(enabled);
		buttonBuild.setEnabled(enabled);
		textBoxThreadTitle.setEnabled(enabled);
		responseForm.setEnabled(enabled);
	}

	private void clearForm() {
		textBoxThreadTitle.setText("");
		responseForm.clearForm();
	}

	@Override
	public void onClick(ClickEvent event) {
		if (event.getSource() == buttonToSecondState) {
			displaySecondState();
		} else if (event.getSource() == buttonBuild) {
			build();
		}
	}
}
